AD1835A is a 2-channel ADC, 8-channel DAC, 96 kHz, 24-bit analog-to-digital converter by Analog Devices
The AD1835A codec integrates four stereo DACs and a stereo ADC in a single 52‑lead MQFP package. It supports 16‑/20‑/24‑bit audio, multiple sample rates up to 192 kHz on one DAC, and provides on‑chip volume control with 1024 linear steps.
The device includes flexible serial interfaces (I²S, DSP, TDM, left/right‑justified), differential outputs, and a range of timing specifications for master/slave operation. It is targeted at DVD players, home‑theater systems, automotive audio, and digital audio effect processors.
| ADC Resolution | 24 Bits |
|---|---|
| DAC Resolution | 24 Bits |
| Dynamic Range (A‑Weighted, 48 kHz) | 105 dB |
| THD+N (ADC, 48 kHz) | -95 dB |
| Volume Control Step Size | 0.098 % |
The codec can handle up to 192 kHz sample rate on one DAC, and supports up to 96 kHz on all channels.
Both the ADC and DAC provide 24‑bit resolution.
It supports I²S, left‑justified, right‑justified, DSP, and TDM serial data formats.